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Physics Flashcards

(45 cards)

1
Q

Formula for Length of Harmonics on string with both ends fixed.

A

L = nλ/2

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2
Q

Formula for Length of Harmonics on string with one end free.

A

L = nλ/4

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3
Q

Formula for sound in a pipe with open pipe.

A

L = nλ/2

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4
Q

Formula for sound in a pipe with closed pipe.

A

L = nλ/4

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5
Q

First 3 harmonics for sound in an open pipe

A

1, 2, 3

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6
Q

First 3 harmonics for sound in a closed pipe

A

1, 3, 5

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7
Q

First 3 harmonics for a string with both ends fixed

A

1, 2, 3

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8
Q

First 3 harmonics for a string with one end free

A

1, 3, 5

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9
Q

Doppler’s Effect Formula

A

f’ = f((v_wave+v_observer)/(v_wave-v_source))

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10
Q

Snell’s law

A

v_i/v_r = sinθ_i/sinθ_r = n_r/n_1

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11
Q

Characteristics of Image formed in convex mirror

A

Virtual
Upright
Diminished

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12
Q

Concave mirror Characteristics when object is farther away from the centre of curvature

A

Real
Diminished
Inverted

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13
Q

Concave mirror Characteristics when the object is between the focus and the centre of curvature

A

Real
Enlarged
Inverted

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14
Q

Concave mirror Characteristics when the object is within the focus

A

Virtual
Enlarged
Upright

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15
Q

Refractive index formula

A

n=c/v

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16
Q

Critical angle formula

A

sinθ_i = n_r/n_i

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17
Q

Concave Lens Image produced characteristics

A

Virtual
Diminished
Upright

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18
Q

Convex lens Characteristics when object is outside the centre of curvature

A

Real
Inverted
Diminished

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19
Q

Convex lens characteristics when the object is between the focus and the centre of curvature

A

Real
Inverted
Enlarged

20
Q

Convex lens characteristics when the object is inside the focus

A

Virtual
Upright
Enlarged

21
Q

Magnification Formula

A

Magnification = Image Height/Object Height

22
Q

How to convert Celsius to Kelvin

23
Q

How to convert Kelvin to Celsius

A

Subtract 273.15

24
Q

1st Law of Thermodynamics

25
Change in heat formula with specific heat capacity given
ΔQ = mcΔT
26
Heat transferred formula
Q/t = kAΔT/d
27
Latent Heat formula
Q = mL
28
Electric Field Strength Formula given Force and Charge Size
E = F/Q
29
Electric Field Strength Formula given Potential Difference and distance
E=-V/d
30
Coulumbs law
q1q2/(4πεr^2)
31
Work on particle formula
W = VQ
32
Current formula given charge
I = ΔQ/Δt
33
Current in Series Circuit:
I_T = I_1 = I_2 = I_3
34
Potential Difference in Series Circuit:
V_T = V_1 + V_2 + V_3
35
Current in Parallel Circuit:
I_1 + I_2 + I_3
36
Potential Difference in Parallel Circuit:
V_T = V_1 = V_2 = V_3
37
Resistance in Series Circuit
R_T = R_1 + R_2 + R_3
38
Resistance in Parallel Circuit
1/R_T = 1/R_1 + 1/R_2 + 1/R_3
39
Power formula of circuit given work
P = W/t
40
Power formula given Potential Difference
P = VI
41
Work formula given potential difference and current
W = VIt
42
Power formula given Current and Resistance
P = I^2R
43
Power formula given Potential Difference and Resistance
P = V^2/R
44
Magnetic Field strength at a point r metres from the wire
B = μI/(2rπ)
45
Magnetic field strength at a point inside the solenoid
B = μIN/L